Step drill bit with stop



FIG. 1 is a side, front perspective view of a step drill bit with stopshowing my new design.

FIG. 2 is a left side elevational view thereof.

FIG. 3 is a right side elevational view thereof.

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The ornamental design for a step drill bit with stop, as shown anddescribed.